If your iPod is locked, then you cannot put songs on it. You have to enter the password and unlock the iPod to add songs to it.
by downloading the songs on the CD on the computer and plug in your iPod and pick what songs you want on your iPod
If the song is deleted, then you can't put it on your iPod.
it depends on your ipod's capacity
reset the ipod put all the songs back on
it depends on how many songs, how big they are and how much memory you have on your ipod
You Can't But You can put the songs on your ipod onto itunes then put them delete them And then sync ipod with itunes. then you will get them back and you will get then new ones to. i hope that answers your question.
You can get songs from CDs or from the internet (youtube etc.). For youtube, remember to convert it into audio with conversion websites. Then simply put it into iTunes and sync your ipod. iTunes has it's own music store too.
use itunes
4share.com and its free songs no joke
about 1000 songs
It depends on the bit quality of the songs you're trying to put on the iPod.